body {
    font-family: Arial, sans-serif;
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
  }
  
  .item-list li {
    display: flex;
    justify-content: space-between;
    padding: 8px 0;
    border-bottom: 1px solid #eee;
  }
  
  .price {
    color: #f50;
    font-weight: bold;
  }
  
  .user-card {
    background: #f9f9f9;
    padding: 20px;
    border-radius: 5px;
    margin-top: 20px;
  }